232 



LAND AND FRESHWATER 



EXPLANATION OF PLATE GUI. 



Fig. 1. Bahitla macropleuris, Bs., X 4*5. 



2. KalieUa richilacnsis, n. sp., X 8. 

 2 a. , vai"., X 8. 



2 b. , sculpture of shell, fig. 2 X 58. 



3. fiat lira, G.-A., X 8. 



4. siH-imemis, G.-A., Nevill MS., X 8. 



5. shilluiigensis, n. sp., X 8. 



6. fastigata, n. sp., X 8. 



7. 7 «. bhutancnsis, n. sp., X 12. 



8. jainiiaca, G.-A., X 8. 



8«. , sculpture, X 58. 



9. rissohicndif, ii. sp., X 8. 



9o. , sculpture, X 58. 



10. paucisiriata, n. sp., X 8. 



11. vagaensis, G.-A., sculpture, X 58. 



12. daflacnsis, G.-A., sculpture, X 58. 



Sikkim. 

 Ditto. 



Ditto. 



Ditto. 



Khasi Hills. 



Sikkim. 



Bhutan. 



Jaintia Hills. 



N. Cachar Hills 



Bhutan. 



Dafla Hills. 

 Naga Hills. 

 Dafla Hills. 



EXPLANATION OF PLATE CIV. 



MacrochJamys tugurium, Benson. Sikkim. 



Fig. 1, 1 a. Shell, natural size. 



1 b. Ditto, enlarged, X 2'5. 



2. Animal, with shell removed, to sliow right shell-lobe and visceral 



sac, X 1"5. 



3. Extremity of foot, X 8. 



4. Part of animal, showing mantle-edge, visceral sac, and character 



of its markings, X 4'5. 



5. Genitalia, X 4-5. 



5 a. Ditto of another specimen, penis and spermatheca, X 4'5. 



5 b. Ditto, male organ, reverse side, X 4"5. 



6. Jaw, X 12-5. 



7. Teeth of radula at various parts of a row, X 368. 



EXPLANATION OF PLATE CV. 



Macrochlamys richilaensis, n. sp. Bhutan. 



Fig. 1, 1 a. Siiell, nat. size and enlarged, X 2"5. 



1 b. Animal, with shell removed, showing visceral sac &e., X 2"5. 



1 c. Generative organs, X 4"5. 



1 d. Jaw, X 12. 



1 e. Teeth of radida, central and two side teeth, X 368. 



1 /. 18th to the 26th teeth, X 368. 



1 g. Outermost teeth, X 368. 



Macrochlamys dammngensis, n. sp. Bhutan. 



Fig. 2, 2a. Shell, nat. size and enlarged, X 25. 



2 b. Animal, with shell removed, showing visceral sac &c. 



2 c. Mantle-edge, showing shell-lobes, X 2-.o. 



2 d. Part of penis near retractor muscle, X 24. 



2e. Jaw, X 12. 



2/. Radula, part of: 16th to the 26th teeth, X 368. 



X 2-5. 



